diff options
Diffstat (limited to 'net')
-rw-r--r-- | net/core/iovec.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/net/core/iovec.c b/net/core/iovec.c index 2145b7150be..1117a26a854 100644 --- a/net/core/iovec.c +++ b/net/core/iovec.c @@ -107,6 +107,10 @@ EXPORT_SYMBOL(memcpy_toiovecend); int memcpy_fromiovecend(unsigned char *kdata, const struct iovec *iov, int offset, int len) { + /* No data? Done! */ + if (len == 0) + return 0; + /* Skip over the finished iovecs */ while (offset >= iov->iov_len) { offset -= iov->iov_len; |